| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.06 | 3.11 | -0.05 |
| Feb | 3.00 | 3.14 | -0.14 |
| Mar | 4.62 | 4.66 | -0.04 |
| Apr | 5.06 | 5.18 | -0.12 |
| May | 5.18 | 5.26 | -0.08 |
| Jun | 4.00 | 3.87 | 0.13 |
| Jul | 3.65 | 3.77 | -0.12 |
| Aug | 3.35 | 3.35 | 0.00 |
| Sep | 3.85 | 3.89 | -0.04 |
| Oct | 4.04 | 3.86 | 0.18 |
| Nov | 4.38 | 4.40 | -0.02 |
| Dec | 3.58 | 3.63 | -0.05 |
47.77 | 48.12 | -0.35 |